So I'm pretty early into the game and when I'm a werewolf I can't let go of crates/batteries. I solve the puzzle quickly but can't complete them because of this. Anyone else having this issue or am I alone?

This also happened to me and it seemed to have something to do with the shift keys. I believe just pressing shift once solved it, or maybe it was holding shift + m and then it was fixed when you let go again. In any case, shift :)